An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6645-00-505-6026
NSN 6105-01-039-6552
NSN 6620-00-450-6990
NSN 6645-01-602-8275
NSN 5905-01-068-5129
NSN 6320-01-242-8355
NSN 6685-01-051-3794
NSN 5910-00-876-0508
NSN 2925-01-016-3111
NSN 5945-00-227-7030
NSN 6620-01-391-7331
NSN 5925-01-384-2131